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A Wonderful Misunderstanding, Gave This Dinosaur the Wrong Name Dinosaurs Were Born Due To a Rain of 2 Million Years?

The Division of "Epoch" In The Age of Dinosaurs

Jan. 23, 2021


1. The Triassic was the Mesozoic period 230 million years ago. The climate on the earth became dry and hot, the swamps gradually disappeared, and tall gymnosperms began to grow everywhere. There are two main types of reptiles on land, one is the animal type, the ancestor of mammals, and the other is the flute tooth. Due to the disappearance of the swamp, the flute teeth began to approach the land and began to eat insects and small animals on the land. Over time, the hind legs of the reptiles began to become more and more developed, and even able to stand on two feet, this type of reptiles evolved into Dinosaurs. The other alcodons evolved into crocodiles and pterosaurs.


Dinosaurs were terrestrial animals that appeared at the end of the Triassic Period. There were three types of early dinosaurs. Among them, Holosaurus and Ornithopods were relatively small and walked on two feet, while Protoceratops were relatively large and bulky. , Is walking on all fours. Dinosaurs in the Triassic period include phantom dragon, crested frontal dragon, and plate dragon.




 2. The Jurassic period is the period from 205 million years ago to 230 million years ago. During the Jurassic period, large carnivorous dinosaurs began to appear, and because there were no natural enemies and superior growth environment, the dinosaurs grew bigger and bigger.


On the whole, some of the dinosaurs in the Jurassic period were still relatively small, like the hollow bone dragon. Ornithopods became very large. Protoceratops were replaced by giant dinosaurs. Large stegosaurus and primitive ankylosaurus appeared during this period.


The types of dinosaurs in the Jurassic Era began to change more and more. The dinosaurs of this era included Allosaurus, Megalosaurus, Brontosaurus, Brachiosaurus, Diplodocus, Stegosaurus, Camarasaurus, Deinonychus, and Bentosaurus.


 3. The Cretaceous period is the period from 135 million years ago to 205 million years ago. During this period, the environment began to change due to the emergence of flowering plants, so many changes occurred in the dinosaurs in Asia and North America.


In terms of small carnivorous dinosaurs, Deinonychus that are good at jumping appeared in Asia and North America, and ornithosaurus that has no teeth. These small dinosaurs have larger heads. According to scientists, this type of dinosaur may be more Smart dinosaurs.


In terms of herbivorous dinosaurs, the ugly Hadrosaurus and Pachycephalosaurus appeared in Ornithopods, and the ceratopsaurus and Ankylosaurus with long horns on their heads. Among them, the most brutal Tyrannosaurus among carnivorous dinosaurs was also here. Appeared for a period of time.


During the Cretaceous period, there were more and more changes in dinosaurs. In this period, dinosaurs included Tyrannosaurus, Spikebacksaurus, Protoceratops, Hadrosaurus, Pachycephalosaurus, Triceratops, Iguanodon, Parrotsaurus, Ornithosaurus, etc. There are countless large carnivorous dinosaurs, and it can be said that it is the era when dinosaurs dominate. However, the extremes of things must be reversed, and the extremes of prosperity must decline. In the late Cretaceous, the Mesozoic overlord of the dinosaurs disappeared like a mystery.


From the Triassic to the Cretaceous, dinosaurs have existed on the earth for more than hundreds of millions of years. Because of their strong power, they have absolute survivability. Therefore, they gave up the evolution towards wisdom, and after their extinction, they breast-feed Animals ushered in the space for development. After a long period of evolution, wisdom and civilization were gradually born on this planet.


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